PART IV: MAINTENANCE
42
Gas filter maintenance
Removing the combustion head
WARNING: Before opening the filter, close the manual cutoff valve downstream the filter and bleed the gas; check
that inside the filter there is no pressurised gas.
C
B
A
To clean or remove the filter, proceed as follows:
1 remove the cap unscrewing the fixing screws (A);
2 remove the filtering cartridge (B), clean it using water and soap, blow it
with compressed air(or replace it, if necessary)
3 replace the cartridge in its proper position taking care to place it
inbetween the guides as not to hamper the cap replacement;
4 be sure to replace the “O” ring into its place (C) and replace the cover
fastening by the proper screws (A).
Remove the lid C.
Unscrew the screws V holding in position the manifold G and pull out
the complete group as shown in figure.
Note: for the subsequent assembly carry out the above described
operations in the reverse order, checking the correct position of the OR ring.
To remove the combustion head, pull it out. Once removed, check that the air
and gas holes are not obstructed. Clean the combustion head by means of
compressed air or scrape off the scale using a metallic brush
VRT
OR
V
AR
G
C
Summary of Contents for E140X
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Page 49: ...Service manual AZL2x LMV2x 3x Burner Management System M12916CD Rev 3 4 03 2023...
Page 56: ...8 Parameters level heating engineer...
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